Flatiron Construction

Flatiron Construction Corporation is a heavy civil infrastructure contractor headquartered in Broomfield , in the U.S. state of Colorado. Flatiron builds infrastructure for the transportation, energy and water sectors, specializing in large-scale infrastructure projects. Flatiron constructs bridges, highways, railways, roads, runways and taxiways, tunnels, dams and hydropower facilities, oil, gas and industrial infrastructure, transmission lines, wastewater treatment plants, pumping stations and water storage facilities. The company conducts projects through contracting methods such as design-build and public-private partnerships. Flatiron is a subsidiary of HOCHTIEF.

Named after the flatiron rock formations found near Boulder, Colorado, Flatiron was originally a small materials company and is now an infrastructure contractor serving North America. This growth began in the late 1980s when the company conducted work along Interstate 70 (I-70) through the Glenwood Canyon Corridor in Colorado.

Flatiron added new markets in the years that followed. In 1997, Flatiron worked on the first design-build bridge project in Maine, the Sagadahoc Bridge in Bath. Flatiron opened two regional offices in California in the 1990s. In 1998, Flatiron secured a contract for the Eastern Toll Road project. From 1999 to 2004, Flatiron worked on projects in Florida, Texas, Louisiana and the Carolinas, such as the Carolina Bays Parkway project.

In 2005, Flatiron expanded into Western Canada, and secured the company’s first public-private partnership project, Kicking Horse Pass Bridge. Flatiron completed the Carquinez Bridge project in 2007. In 2008, Flatiron secured the Port Mann Bridge/Highway 1 project in Vancouver, British Columbia. That year the company also completed the I-35 W Saint Anthony Falls Bridge project in Minneapolis, which was built following the collapse of the original bridge in August 2007.

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